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We propose a real-time gaze estimation method based on facial-feature tracking using a single video camera that does not require any special user action for calibration. Many gaze estimation methods have been already proposed; however, most conventional gaze tracking algorithms can only be applied to experimental environments due to their complex(More)
Reminiscence therapy, which is effective for increasing the selfesteem of and for reducing behavioral disturbances in individuals with dementia, is usually conducted in a group led by experienced staff. However, due to the shortage of care attendants, only a limited number of patients at home can receive the benefits of this therapy. To provide this therapy(More)
In this paper, we present preliminary work we have done o n designing the TactaPack, a wearable sensor/actuator device that uses a Bluetooth wireless connection to return sensor data to a host, and to receive commands to initiate expressive vibrotactile stimuli. We present our work in the context of a physical therapy application designed to provide more(More)
This paper proposes a gaze-communicative stuffed-toy robot system with joint attention and eye-contact reactions based on ambient gaze-tracking. For free and natural interaction, we adopted our remote gaze-tracking method. Corresponding to the user's gaze, the gaze-reactive stuffed-toy robot is designed to gradually establish 1) joint attention using the(More)
This paper proposes a daily-partner robot, that is aware of the user's situation or behavior by using gaze and utterance detection. For appropriate and familiar anthropomorphic interaction, the robot should wait for a timing to talk something to the user corresponding to the situation of her/him while she/he doing a task or thinking. According to the need,(More)
Since their advent, interaction with computers has been a very fascinating field of research. Though, we have come a long way from turning knobs and punching cards to using keyboards and pointing devices, natural language interaction has not seen widespread use as a general means of interaction. The thesis of this paper is that some application fields,(More)
This paper describes the system packaging of the processor cage for the IBM eServer z900. This server contains the world's most complex multichip module (MCM), with a wiring length of 1 km and a maximum power of 1300 W on a glass-ceramic substrate. The z900 MCM contains 35 chips comprising the heart of the central electronic complex (CEC) of this server.(More)